Search Results for author: Yueqiang Cheng

Found 4 papers, 2 papers with code

SvTPM: A Secure and Efficient vTPM in the Cloud

1 code implementation21 May 2019 Juan Wang, Chengyang Fan, Jie Wang, Yueqiang Cheng, Yinqian Zhang, Wenhui Zhang, Peng Liu, Hongxin Hu

In this paper, we present SvTPM, a secure and efficient software-based vTPM implementation based on hardware-rooted Trusted Execution Environment (TEE), providing a whole life cycle protection of vTPMs in the cloud.

Cryptography and Security

Still Hammerable and Exploitable: on the Effectiveness of Software-only Physical Kernel Isolation

no code implementations20 Feb 2018 Yueqiang Cheng, Zhi Zhang, Surya Nepal, Zhi Wang

The exploit is motivated by our key observation that the modern OSes have double-owned kernel buffers (e. g., video buffers) owned concurrently by the kernel and user domains.

Cryptography and Security

KASR: A Reliable and Practical Approach to Attack Surface Reduction of Commodity OS Kernels

no code implementations20 Feb 2018 Zhi Zhang, Yueqiang Cheng, Surya Nepal, Dongxi Liu, Qingni Shen, Fethi Rabhi

In this paper, we propose a reliable and practical system, named KASR, which transparently reduces attack surfaces of commodity OS kernels at runtime without requiring their source code.

Cryptography and Security Operating Systems

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